DocID027351 Rev 3
29/100
UM1855
Hardware layout and configuration
99
2.12.1
Board modifications to enable motor control
Figure 7
(top side) and
Figure 8
(bottom side) illustrate the board modifications listed in
Table 12
, required for the operation of motor control. Red color denotes a component to
remove. Green color denotes a component to be fitted.
18
PhaseB
current-
-
GND
-
-
19
PhaseC
PC2
ADC123_IN
-
Close SB42
Remove MB979 daughterboard
20
PhaseC
current-
-
GND
-
-
21
ICL Shutout
PG6
GPIO
-
Close SB5
Remove R35
22
GND
-
GND
-
-
23
Dissipative
Brake
PB2
GPIO
-
Close SB11
Remove R54
24
PFC ind.
curr.
PC4
ADC12_IN
-
Close SB17
Remove MB979 daughterboard
25
+5V
-
+5V
-
-
26
Heatsink
Temp.
PA3
ADC12_IN
-
Close SB22
Remove MB979 daughterboard
27
PFC Sync
PF9
TIM15_CH1
-
Close SB25
Remove R90
28
+3.3V
-
+3.3V
-
-
29
PFC PWM
PF10
TIM15_CH2
-
Close SB37
Remove R91
30
PFC
Shutdown
PB12
TIM15_BKIN
-
Close SB3
Remove MB979 daughterboard
31
Encoder A
PA0
TIM2_CH1
ADC12_IN
Close SB35
Remove R83
32
PFC Vac
PA6
ADC12_IN
-
Close SB20
Open SB21
Remove MB979 daughterboard
33
Encoder B
PA1
TIM2_CH2
ADC12_IN
Close SB32
Remove MB979 daughterboard
34
Encoder
Index
PA2
TIM2_CH3
ADC12_IN
Close SB31
Remove MB979 daughterboard
Table 12. Motor control terminal and function assignment (continued)
Motor control
connector CN2
STM32L476ZGT6 microcontroller
Terminal
Terminal
name
Port name
Function
Alternate
function
Board modifications for
enabling motor control
